feat: display wrong timer

app/src/main/java/gui/menu/MultiPlayerDokuView.java

@@ -2,6 +2,7 @@ package gui.menu;
 
 import gui.widget.LeaderboardRenderer;
 import gui.widget.SudokuRenderer;
+import gui.widget.TimerRenderer;
 import imgui.ImGui;
 import network.client.Client;
 import network.server.Server;
@@ -13,6 +14,8 @@ public class MultiPlayerDokuView extends BaseView{
 	private final Server server;
 	private final SudokuRenderer sudokuRenderer;
 	private final LeaderboardRenderer leaderboardRenderer;
+	private final TimerRenderer timerRenderer;
+	private static final float GAME_DURATION = 10 * 60;
 
 	public MultiPlayerDokuView(StateMachine stateMachine, Client client, Server server) {
 		super(stateMachine);
@@ -22,6 +25,8 @@ public class MultiPlayerDokuView extends BaseView{
 		this.leaderboardRenderer = new LeaderboardRenderer(client.getGame(), client.getPlayer());
 		this.sudokuRenderer.onCellChange.connect(this::onCellChange);
 		this.client.onDisconnect.connect(this::onDisconnect);
+		// TODO: sync timer
+		this.timerRenderer = new TimerRenderer(GAME_DURATION);
 	}
 
 	private void onCellChange(Cell cell) {
@@ -36,6 +41,7 @@ public class MultiPlayerDokuView extends BaseView{
 
 	@Override
 	public void render() {
+		this.timerRenderer.render();
 		this.leaderboardRenderer.render();
 		this.sudokuRenderer.render();
 		if (ImGui.button("Quitter")) {

app/src/main/java/gui/widget/LeaderboardRenderer.java

@@ -54,7 +54,6 @@ public class LeaderboardRenderer {
 	}
 
 	public void render() {
-		ImGui.text("Placeholder for timer");
 		var displaySize = ImGui.getIO().getDisplaySize();
 		ImGui.setCursorPosX(displaySize.x / 2.0f - cellSize.x / 2.0f);
 		ImGui.beginChild("Leaderboard", new ImVec2(cellSize.x + 15.0f, cellHeight * maxPlayersShowed));

app/src/main/java/gui/widget/TimerRenderer.java

@@ -0,0 +1,27 @@
+package gui.widget;
+
+import imgui.ImGui;
+
+public class TimerRenderer {
+
+	private float time;
+	private final float duration;
+
+	public TimerRenderer(float duration) {
+		this.time = 0;
+		this.duration = duration;
+	}
+
+	public void render() {
+		this.time += ImGui.getIO().getDeltaTime();
+		float remainingTime = this.duration - this.time;
+		int seconds = (int) remainingTime;
+		int minutes = seconds / 60;
+		seconds %= 60;
+		String text = minutes + ":" + seconds;
+		var textSize = ImGui.calcTextSize(text);
+		ImGui.setCursorPosX(ImGui.getIO().getDisplaySizeX() / 2.0f - textSize.x / 2.0f);
+		ImGui.text(text);
+	}
+
+}